Injector connection for locomotive-boilers.



' No. 810,877. PATENTED JAN. 23, 1906. J. McKEOWN. INJECTOR CONNECTIONFOR LOGOMOTIVE BOILERS.

APPLICATION FILED NOV. 25, 1904.

H FROM RIGHT INJECTOR INJECTOR T0 LEFT BRANCH To BRANCH PIPE ANDCHECKVALVE I PIPE AND CHECK VALVE UNITED STATES PATENT. OFFICE.

JAMES MCKEOWN, 'OF PITTSBURG, PENNSYLVANIA, ASSIGNOR OF ONE HALF TOJOSEPH ISREAL, OF PITTSBURG, PENNSYLVANIA.

INJECTOR CONNECTION FOR LOCO MOTIVE-QOILERS Specification of LettersPatent. Application filed November 25,1904. Serial No. 234,288.

Patented 3x23, 1906.

at Pittsburg, in the county of Allegheny and State of Pennsylvania, haveinvented certain new and useful Improvements in Injec v tor Connectionsfor Locomotive-Boilers, of

which the following is a specification, reference being had therein tothe accompanying drawings.

This invention relates to certain new and useful improvements ininjector connections for locomotive-boilers.

The invention has for its object to provide an injector connection forlocomotives which will be extremely simple in construction, strong anddurable, and highly efficient when used, and in constructing my improvedconnection I have embodied certain novel features of constructionwhereby the same will be particularly adapted for use uponlocomotivesfor controlling the water which passes from the injectors to thecheck-valves.

Heretofore it has been thepractice to employ a separate valve forcontrolling the water passing to each one of the check-valves, thesevalves being located upon the locomotiveboiler within the locomotivecab.My in,- vention contemplates dispensing with these valves and employinga four-way valve which. may be operatedQtof control the passage of waterfrom the injector to either the right or leftcheck-valvesf With theabove objects'in view the invention finally consists in the novelconstruction, combination, and arrangement of parts, which will behereinafter more fully described and then specifically pointed out inthe claims, and, referring to the drawings accompanying thisapplication, like numerals of reference designate corresponding partsthroughout the several views, in which- Figure 1 is a front view of myimproved valve. Fig. 2 is a vertical transverse sectional view of thesame. Fig. 3 is an edge view of the valve as constructed inaccordancewith my invention. Fi 4 is a detail perspective view of the plug of myimproved injector connections for locomotive-boilers. Fig. 5 is adiagrammatical view illustrating my improvement as applied to alocomotive. In order that my improved valve may be fully understood, Iwill describe the same as being used in connection with a locomotive;

but I do not care to confine myself to this specific use, as the samemay be readily employed in connection with stationary boilers and in anyplaces where it is desired to control a plurality of inlet and outletports. As heretofore stated, two valves are commonly employed forcontrolling the water-supply being fed to the locomotiveboiler, it beingthe common practice to employ a checkvalve upon each side of the boilernear the forward end, which is connected by a branch pi e to theinjector commonly located in the ca of the locomotive, and this injectoris connected to the tender from where the Water-supply is obtained. Thebranch pipes leading from the injector to the check-valves are generallyplaced along the running-board of the locomotive, and should thelocomotive meet with an accident and should be side- I swi ed one ofthese branch pipes is genera ly stripped from the locomotive, renderingthe check-valve upon this side of the locomotive inoperative. I havetherefore constructed my improved valve whereby should anything happentoone of the check-valves and branch pipes the water-supply from theinjector can be directed into the sound and uninjured branch pipe andcheck-valve.

Reference will now be had to the accompanyin drawings, wherein I haveillustrated the pre erred manner of constructing my im-p' proved valve.

The reference-numeral 1 designates the valve=casing, which is providedwith a central recess or plug-seat 2, and communicating with said recessare the tan ential curved ports 3, 4, 5, and 6, each of sai portsextendmg into curved ortions 7 of the valve-body,

and each curve portion is threaded, as indicated at 8, to receive theirrespective pipes. The valve-body is provided on its rear face with a lug9, having an aperture 10 formed therein, whereby the valve in itsentirety may be secured to the boiler of a locomotive in such a positionas to be conveniently operated by the engineer. In the recess 2 ismounted a plug 11, which is clearly illustrated in Fi s. 2 and 4 of thedrawings. The plug is (preferably tapering in form and is provide uponits small end with a contracted portion 12, which seats within therecess 2 of the valve-body, and the upper end of the plug is providedwith the contracted portions 13 and 14, the plug being retained withinthe valve-body by a nut 15, which surrounds the contracte portion 14,while upon thecontracted portion 13 is secured the operat1nghandle 16.The sides of the plug are cut away, as' indicated at-17 and 1.8, ormlnga neck portion 19, which is provided with a centra passage 20. Thevalve-body is provided with a substantially segment-shaped bar 21, thatis graduated, as indicated at 22, this bar lying in close proximity tothe operating-lever 16, whereby the position of the plug within thevalve-body may be determined by referring to the graduations.

In Fig. 5 of the drawings I have shown my improvement as a plied inposition on a boiler, and in this gure the boiler is designated 23, andfrom the two 0 posite sides of the boiler are the pipes 24 25 eading,respectively, to the two curved inlet-ports 3 4 of the valve. The pi e24 is provided with a check-valve 26, an the pipe 25 is provided with asimilar check-valve 2 7. Two pipes 28 and 29 lead,-respectively, fromthe ports 5 and 6 of the valve, and the pipe 28 is connected with aninjector 33, which is in turn conneoted by a pipe 30 with theWater-supply, (not shown,) while the pipe 29'is connected to an injector31 which is ]i ewise connected b a pipe 32 with the water-supply.

The operation of my improved valve is as follows: By referring to Fig. 2of the drawings it will be observed that the plug is in position toprovide a clear passage for the Water from the orts 5 and 6 to the ports4 and 3, respective y, and to assist those not skilled in the art ofhandling locomotives I have desig' nated upon the drawings (see Fig. 5)the connections that are to be made with my improved valve. It will beobserved that the right and left pipes from the injector are connectedwith the ports 3 and 4 of my improved valve and that the ports 5 and 6are connected to the left and right pipes, which pass along the boilerof the locomotive to the check-valves. The position of the plug, asillustrated in Fig. 2 of the drawings, will permit of water passing fromthe injector to both branch pipes, and should it be desired to onlyinject water into the left branch pipe the plug is partially rotateduntil the central passage 20, as illustrated by dotted lines, Fig. 2, isin alinement with the ports 3 and 5, at which time the rightinjector-pipe will supply water to the left branch pipe and the left injector-pipe will be closed simultaneously with tirely cut off the supplyofwa'ter to. the locomotive-boiler the plug is rotated until the neckportion 19 lies, transverse of the valve-b0 d v, this operatlon placingthe ports 3 and 4 of the injector-pipes incommu'nlcation with oneanother and preventing any water from entering the branch pipes. 1

It will be noted that various changes may be made in the details ofconstruction without departlng from the general spirit and scope of theinvention. M b Y b What I claim, and desire to secure by Letters Patent,isj, I

1. The combination with a locomotive boiler, two injectors carried on'the boiler an d connected therewith, two branch pipes ar ranged one-oneach side of the boiler and leading from the water-supply to the boiler,a four-way valve connected to both said branch pipes, and to both saidinjectors, said four-way valve being constructed and adapted tosimultaneously connect the injectors each with the branch pipe on thesame side .of the boiler, or to connect the injector on either side withthe branch pipe on the opposite side or to cut ofl communication betweenboth injectors and both branch pipes.

2. The combination with a boiler, two inje'ctors carried on the boiler,two branch pipes arranged one on each side of the boiler and meansarranged intermediate of the branch pipes and the injectors whereby bothinjectors may be simultaneously placed in communication with the boilerthrough the branch pi es or either one of the injectors may be p aced incommunication with the branch pipe on the opposite side.

In testimony whereof I affix my signature in the presence of twowitnesses.

, JAMES MCKEOWN. Witnesses:

H. C. EVERT, K. H. BUTLER.

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